'use strict';
require("babel-polyfill");
const SvgStore = require('webpack-svgstore-plugin');

const path = require('path');
const setting = require('./src/settings.js');
const proxy = require("./proxy");

function resolve(dir) {
  return path.join(__dirname, dir);
}

const name = setting.title || 'Rabbit Framework'; // 标题

const port = process.env.port || process.env.npm_config_port || 80; // 端口

const packageName = require('./package.json').name;

// vue.config.js 配置说明
// 官方vue.config.js 参考文档 https://cli.vuejs.org/zh/config/#css-loaderoptions
// 这里只列一部分，具体配置参考文档
module.exports = {
  // 部署生产环境和开发环境下的URL。
  // 默认情况下，Vue CLI 会假设你的应用是被部署在一个域名的根路径上
  // 例如 https://www.snt.com/。如果应用被部署在一个子路径上，你就需要用这个选项指定这个子路径。例如，如果你的应用被部署在 https://www.snt.com/admin/，则设置 baseUrl 为 /admin/。
  publicPath: process.env.NODE_ENV === 'production' ? '/' : '/',
  // 在npm run build 或 yarn build 时 ，生成文件的目录名称（要和baseUrl的生产环境路径一致）（默认dist）
  outputDir: 'dist',
  // 用于放置生成的静态资源 (js、css、img、fonts) 的；（项目打包之后，静态资源会放在这个文件夹下）
  assetsDir: 'static',
  // 是否开启eslint保存检测，有效值：ture | false | 'error'
  lintOnSave: process.env.NODE_ENV === 'development',
  // 如果你不需要生产环境的 source map，可以将其设置为 false 以加速生产环境构建。
  productionSourceMap: false,
  // webpack-dev-server 相关配置
  devServer: {
    host: '0.0.0.0',
    port,
    proxy,
    disableHostCheck: true,
  },
  configureWebpack: {
    entry: ["babel-polyfill", "./src/main.js"],
    name: name,
    resolve: {
      alias: {
        '@': resolve('src'),
        '@assets': resolve('src/assets/rabbit'),
      },
    },
    output: {
      library: `${packageName}-[name]`,
      libraryTarget: 'umd',
      jsonpFunction: `webpackJsonp_${packageName}`,
    },
  },
  chainWebpack(config) {
    config.plugins.delete('preload'); // TODO: need test
    config.plugins.delete('prefetch'); // TODO: need test

    config.plugin("webpack-svgstore-plugin").use(new SvgStore({
      prefix: 'icon--',
      svgoOptions: {
        plugins: [
          { cleanupIDs: false },
          { collapseGroups: false },
          { removeTitle: true },
        ],
      },
    }));

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/rabbit/assets/rabbit/icons'), resolve(`src/${setting.projectName}/assets/icons`))
      .end();
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/rabbit/assets/rabbit/icons'), resolve(`src/${setting.projectName}/assets/icons`))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]',
      })
      .end();

    config.module.rule("files").test(/\.(doc|docx|ppt|pptx)$/).use("url-loader").loader("url-loader").tap(options => {
      return {
        ...options,
        fallback: {
          loader: "file-loader",
          options: {
            name: "static/[name].[ext]",
          },
        },
      };
    }).end();

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true;
        return options;
      })
      .end();

    // bpmn文件
    config.module
      .rule('raw-loader')
      .test(/.(bpmn|xml)$/)
      .use('raw-loader')
      .loader('raw-loader')
      .end();

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      );

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/,
            }])
            .end();
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial', // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true,
                },
              },
            });
          config.optimization.runtimeChunk('single');
        }
      );
  },
};
